13212143220323 has 2 divisors, whose sum is σ = 13212143220324. Its totient is φ = 13212143220322.

The previous prime is 13212143220281. The next prime is 13212143220329. The reversal of 13212143220323 is 32302234121231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13212143220323 - 2¹⁰ = 13212143219299 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13212143220329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606071610161 + 6606071610162.

It is an arithmetic number, because the mean of its divisors is an integer number (6606071610162).

Almost surely, 2^{13212143220323} is an apocalyptic number.

13212143220323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212143220323 is an equidigital number, since it uses as much as digits as its factorization.

13212143220323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 13212143220323 its reverse (32302234121231), we get a palindrome (45514377341554).

The spelling of 13212143220323 in words is "thirteen trillion, two hundred twelve billion, one hundred forty-three million, two hundred twenty thousand, three hundred twenty-three".